said they now have a better understanding of the geological conditions necessary for pink diamonds and other color varieties to form, according to a study published Tuesday in the journal Nature ...

Earth may owe its supply of pink diamonds to the breakup of the ... where most diamond mines tend to be, and in a type of rock that is slightly different from the rock that usually bears diamonds.

A rare 170-carat pink diamond has been discovered in an Angola mine, authorities confirmed on Wednesday, reporting it to be the largest such stone found in 300 years. The rare "Lulo Rose" diamond ...

Pink diamond rings are favoured by the likes of Jennifer Lopez and Blake Lively for good reason – the rocks are among the rarest types of jewel on the planet. Unlike other coloured diamonds ...